The PowerStop Z17 Semi-Coated Rotor Brake Kit for 2015–2018 BMW X4 rear includes semi-coated rotors, Z17 Evolution Plus low-dust ceramic pads, pad sensors and stainless-steel hardware for a direct bolt-on replacement. Rotors have silver epoxy applied to hat, outer edge and vanes for corrosion resistance and are dynamically balanced to strict tolerances. Pads use multi-layer rubberized shims to suppress noise and reduce wheel dust.
Power Stop 15-18 BMW X4 Rear Semi-Coated Rotor Kit